Catalyst beds for oxidizing ammonia to nitrogen oxides

Details Catalyst beds for oxidizing ammonia to nitrogen oxides Catalyst beds for oxidizing ammonia to nitrogen oxides

1973-06-04

1976-04-06

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

23288R, 423404, B01J 802, C01B 2126

Patent

active

039486109

ABSTRACT:
A catalyst bed for a reactor for oxidising ammonia in the presence of a particulate catalyst which either comprises a first layer occupying part of the cross-section of the reactor and a second layer downstream of the first layer and shaped to occupy more than the part of the cross-section not occupied by the first layer, or is disposed between two perforate septa each in the form of a wall of a solid figure parallel to, or tapering outwards or inwards in, the direction of gas flow.

REFERENCES:
patent: 3475133 (1969-10-01), Muller-Wartenberg
patent: 3649213 (1972-03-01), DePalma
patent: 3702238 (1972-11-01), Armistead et al.
patent: 3712856 (1973-01-01), Betz
patent: 3715193 (1973-02-01), Strelzoff
patent: 3736105 (1973-05-01), Tourtellotte et al.
patent: 3817716 (1974-06-01), Betz

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